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| Press Fit | Quick- Disconnect Clamp |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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| Very Flexible | Flexible |
| Rigid |
Bend Radius Bend Radius |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Duct Connections
More
About Duct Hose
More
Quick-Disconnect Duct and Fittings

Join duct and fittings with quick-release clamps for faster disassembly and cleanout than other duct systems.
Aluminum is lightweight and has good corrosion resistance.
For technical drawings and 3-D models, click on a part number.

Blast gates stop airflow when closed.
Aluminum | |||||
|---|---|---|---|---|---|
| Duct Size | ID | End Construction | Blade Material | Each | |
| 4 | 3 15/16" | Rolled | Galvanized Steel | 0000000 | 000000 |
| 5 | 4 15/16" | Rolled | Galvanized Steel | 0000000 | 00000 |
| 6 | 5 15/16" | Rolled | Galvanized Steel | 0000000 | 00000 |
| 7 | 7" | Rolled | Galvanized Steel | 0000000 | 00000 |
| 8 | 7 15/16" | Rolled | Galvanized Steel | 00000000 | 00000 |
| 9 | 8 15/16" | Rolled | Galvanized Steel | 00000000 | 000000 |
| 10 | 9 15/16" | Rolled | Galvanized Steel | 00000000 | 000000 |
| 12 | 11 7/8" | Rolled | Galvanized Steel | 00000000 | 000000 |
| 14 | 14" | Rolled | Galvanized Steel | 00000000 | 000000 |
| 16 | 15 15/16" | Rolled | Galvanized Steel | 00000000 | 000000 |
Standard Duct and Fittings

No need for clamps or connectors—duct and fittings press-fit together. Male ends are crimped or tapered, making them slightly smaller than a female end for simple assembly.
Aluminum is more lightweight than steel and stainless steel and has good corrosion resistance.
For technical drawings and 3-D models, click on a part number.

Open duct can be cut with snips prior to installation. The seam snaps together without tools.

Adjustable-angle elbow connectors can be used at an angle or straight.
Duct Flanges
Bolt flanges to equipment to start a run of duct. They can also create secure connections between two duct ends by mounting a flange to each end and then joining the flanges.
Aluminum flanges have good corrosion resistance in wet environments, and weigh less than steel and stainless steel flanges.
For technical drawings and 3-D models, click on a part number.


Flange | Mounting | Alumiunum | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Duct Size | Female ID | Overall Dp. | Ht. | Thick. | Fasteners Included | No. of Holes | Hole Dia. | Connection Type | Each | |
| 3 | 3 1/16" | 1" | 1" | 9/64" | No | 6 | 9/32" | Press Fit | 0000000 | 000000 |
| 3 1/2 | 3 9/16" | 1" | 1" | 9/64" | No | 6 | 9/32" | Press Fit | 0000000 | 00000 |
| 4 | 4 1/16" | 1" | 1" | 9/64" | No | 6 | 9/32" | Press Fit | 0000000 | 00000 |
| 4 1/2 | 4 9/16" | 1" | 1" | 9/64" | No | 6 | 9/32" | Press Fit | 0000000 | 00000 |
| 5 | 5 1/16" | 1" | 1" | 9/64" | No | 6 | 9/32" | Press Fit | 0000000 | 00000 |
| 5 1/2 | 5 9/16" | 1" | 1" | 9/64" | No | 6 | 9/32" | Press Fit | 0000000 | 00000 |
| 6 | 6 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 00000 |
| 7 | 7 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 00000 |
| 8 | 8 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 00000 |
| 9 | 9 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 00000 |
| 10 | 10 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 00000 |
| 11 | 11 1/8" | 1 1/4" | 1 1/4" | 1/8" | No | 6 | 3/8" | Press Fit | 0000000 | 00000 |
| 12 | 12 1/8" | 1 1/2" | 1 1/2" | 1/8" | No | 8 | 7/16" | Press Fit | 0000000 | 00000 |
| 13 | 13 1/8" | 1 1/2" | 1 1/2" | 1/8" | No | 8 | 7/16" | Press Fit | 0000000 | 00000 |
| 14 | 14 1/8" | 1 1/2" | 1 1/2" | 1/8" | No | 8 | 7/16" | Press Fit | 0000000 | 00000 |
| 16 | 16 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 8 | 7/16" | Press Fit | 0000000 | 00000 |
| 18 | 18 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 8 | 7/16" | Press Fit | 0000000 | 00000 |
| 20 | 20 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 12 | 7/16" | Press Fit | 0000000 | 00000 |
| 24 | 24 1/8" | 1 1/2" | 1 1/2" | 3/16" | No | 12 | 7/16" | Press Fit | 0000000 | 000000 |
| 26 | 26 1/8" | 2" | 2" | 3/16" | No | 16 | 7/16" | Press Fit | 0000000 | 000000 |
Bend-and-Stay Very Flexible Metal Duct Hose for Fumes

- Very Flexible
- Compatible Clamps: Worm-Drive and Twin-Ring Clamps
- Temperature Range: Aluminum: -100° to 400° F; 304 Stainless Steel: -400° to 800° F
Form elbows and bends with this hose and it will hold its shape without support. Hose is not for continuous flexing. Use with smoke, sparks, paint fumes, welding fumes, and oil fumes.
Aluminum is lighter than stainless steel and has good corrosion resistance.
| ID | OD | Bend Radius | Material Thick. | Interior Surface Texture | Construction | 2 ft. | 5 ft. | 10 ft. | |
Aluminum | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 2" | 2 3/8" | 2" | 0.008" | Ribbed | Crimped Seam | 000000 | |||
| 3" | 3 3/8" | 3" | 0.008" | Ribbed | Crimped Seam | 000000 | |||
| 4" | 4 3/8" | 4" | 0.008" | Ribbed | Crimped Seam | 000000 | |||
| 5" | 5 3/8" | 5" | 0.008" | Ribbed | Crimped Seam | 000000 | |||
| 6" | 6 3/8" | 6" | 0.008" | Ribbed | Crimped Seam | 000000 | |||
| 7" | 7 3/8" | 8" | 0.008" | Ribbed | Crimped Seam | 000000 | |||
| 8" | 8 3/8" | 10" | 0.008" | Ribbed | Crimped Seam | 000000 | |||
| 9" | 9 3/8" | 12" | 0.008" | Ribbed | Crimped Seam | 000000 | |||
| 10" | 10 3/8" | 15" | 0.008" | Ribbed | Crimped Seam | 000000 | |||
| 12" | 12 3/8" | 20" | 0.008" | Ribbed | Crimped Seam | 0000000 | |||
High-Temperature Rigid Metal Duct Hose for Fumes

- Rigid
- Compatible Clamps: U-Bolt Clamps
- Max. Temperature: Galvanized Steel: 750° F; Aluminum: 450° F; 304 Stainless Steel: 1500° F; 316 Stainless Steel: 1200° F
Metal interlocked strips create a rigid, durable hose that stays strong under high temperatures. Hose is for use with smoke, welding fumes, and oil fumes.
Aluminum is lighter than steel and has good corrosion resistance.
| ID | OD | Bend Radius | Interior Surface Texture | Specifications Met | Other Lengths, ft. | 5 ft. | 6 ft. | 7 ft. | 8 ft. | 9 ft. | 10 ft. | 15 ft. | 20 ft. | 25 ft. | |
Aluminum | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.012" Material Thick. | |||||||||||||||
| 1 1/4" | 1 7/16" | 4 1/2" | Ribbed | __ | 1 to 100 | 00000000 | |||||||||
| 1 1/2" | 1 11/16" | 5" | Ribbed | __ | 1 to 100 | 00000000 | |||||||||
| 1 5/8" | 1 13/16" | 5" | Ribbed | __ | 1 to 100 | 00000000 | |||||||||
| 1 3/4" | 1 15/16" | 6" | Ribbed | __ | 1 to 100 | 00000000 | |||||||||
0.02" Material Thick. | |||||||||||||||
| 3" | 3 1/4" | 10 1/2" | Ribbed | ASTM A463 | 1 to 50 | 00000000 | |||||||||
| 3 1/2" | 3 3/4" | 12 1/2" | Ribbed | ASTM A463 | 1 to 50 | 00000000 | |||||||||
| 4" | 4 1/4" | 13 1/2" | Ribbed | ASTM A463 | 1 to 50 | 00000000 | |||||||||
| 5" | 5 1/4" | 16 1/2" | Ribbed | ASTM A463 | 1 to 50 | 00000000 | |||||||||
| 6" | 6 1/4" | 21 1/2" | Ribbed | ASTM A463 | 1 to 50 | 00000000 | |||||||||
| 8" | 8 1/4" | 27 1/2" | Ribbed | ASTM A463 | 1 to 25 | 00000000 | |||||||||
| 12" | 12 1/4" | 38" | Ribbed | ASTM A463 | 1 to 25 | 00000000 | |||||||||
Bend-and-Stay Metal Duct Hose for Air

- Very Flexible
- Compatible Clamps: Worm-Drive Clamps
- Temperature Range: -100° to 435° F
Unlike fabric duct hose, this lightweight aluminum hose can bend around corners and hold its shape. Hose is not for continuous flexing. One end of the hose is crimped; insert the crimped end into another piece of duct hose and secure with a clamp to create longer lengths. The hose may need support once the length exceeds 6 feet.
| ID | OD | Bend Radius | Compresses To | Material Thick. | Interior Surface Texture | Construction | Lg., ft. | Each | |
Aluminum | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 3" | 3 1/4" | 1 1/2" | 35% | 0.004" | Ribbed | Crimped Seam | 7 | 00000000 | 00000 |
| 4" | 4 1/4" | 2" | 35% | 0.004" | Ribbed | Crimped Seam | 7 | 00000000 | 0000 |
| 5" | 5 1/4" | 2 1/2" | 35% | 0.004" | Ribbed | Crimped Seam | 6 1/2 | 00000000 | 00000 |
| 6" | 6 1/4" | 3" | 35% | 0.004" | Ribbed | Crimped Seam | 6 1/2 | 00000000 | 00000 |
| 7" | 7 1/4" | 3 1/2" | 35% | 0.004" | Ribbed | Crimped Seam | 6 1/2 | 00000000 | 00000 |
| 8" | 8 1/4" | 4" | 35% | 0.004" | Ribbed | Crimped Seam | 6 | 00000000 | 00000 |
| 9" | 9 1/4" | 4 1/2" | 35% | 0.004" | Ribbed | Crimped Seam | 6 | 00000000 | 00000 |
| 10" | 10 1/4" | 5" | 35% | 0.004" | Ribbed | Crimped Seam | 6 | 00000000 | 00000 |
| 12" | 12 1/4" | 6" | 35% | 0.004" | Ribbed | Crimped Seam | 6 | 00000000 | 00000 |
| 14" | 14 1/4" | 7" | 35% | 0.004" | Ribbed | Crimped Seam | 6 | 00000000 | 00000 |
Bend-and-Stay Metal Duct Hose for Wood Chips and Plastic Pellets

- Flexible
- Compatible Clamps: Worm-Drive Clamps
- Temperature Range: -100° to 500° F
Lightweight, yet strong, this aluminum hose bends and maintains its shape without support. Hose is also for use with cardboard fibers.
Warning: Hose should not be used for applications that generate a static charge.
| ID | OD | Bend Radius | Compresses To | Material Thick. | Interior Surface Texture | Construction | Specifications Met | 10 ft. | 15 ft. | 30 ft. | |
Aluminum | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3" | 3 3/8" | 2" | 20% | 0.005" | Ribbed | Crimped Seam | UL 181 Class 0 | 000000 | |||
| 4" | 4 3/8" | 2 1/2" | 20% | 0.005" | Ribbed | Crimped Seam | UL 181 Class 0 | 000000 | |||
| 5" | 5 3/8" | 3" | 20% | 0.005" | Ribbed | Crimped Seam | UL 181 Class 0 | 000000 | |||
| 6" | 6 3/8" | 4" | 20% | 0.005" | Ribbed | Crimped Seam | UL 181 Class 0 | 000000 | |||
| 7" | 7 3/8" | 4 1/2" | 20% | 0.005" | Ribbed | Crimped Seam | UL 181 Class 0 | 000000 | |||
| 8" | 8 3/8" | 5" | 20% | 0.005" | Ribbed | Crimped Seam | UL 181 Class 0 | 000000 | |||
| 10" | 10 3/8" | 6" | 20% | 0.005" | Ribbed | Crimped Seam | UL 181 Class 0 | 000000 | |||
| 12" | 12 3/8" | 7 1/2" | 20% | 0.005" | Ribbed | Crimped Seam | UL 181 Class 0 | 000000 | |||
Duct Hose Connectors
Slide these connectors into the ends of duct hose and secure with a clamp.
Aluminum is lightweight.
For technical drawings and 3-D models, click on a part number.

| For Hose ID | Lg. | Shape | Temperature Range, ° F | Material Thick. | Each | |
Inch | ||||||
|---|---|---|---|---|---|---|
Aluminum | ||||||
| 1" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 000000 |
| 1 1/4" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 1 1/2" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 1 3/4" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 2" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 2 1/2" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 3" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 3 1/2" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 4" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 4 1/2" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 5" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 5 1/2" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 6" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 6 1/2" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 7" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 8" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 9" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 10" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 12" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 14" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 16" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 18" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
| 20" | 4" | Straight | -100° to 400° | 0.04" | 0000000 | 00000 |
Proportional HVAC Damper Actuators

This actuator provides better control than incremental actuators because it is constantly being positioned in response to duct airflow requirements. Use to automatically adjust dampers to regulate airflow. It attaches to the damper shaft to rotate it open and closed when signaled by a controller (not included). Actuator can be set to return the damper to an open or closed position if the power fails. Use the crank for precise adjustments.
For Max. Damper Shaft | Overall | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Torque, in.-lbs. | Voltage | Current, A | Control Signal | Electrical Connection Type | Dia. | Ht. | Wd. | Material | Direction of Operation | Rotation Range | Ht. | Wd. | Dp. | Each | |
With Spring Return | |||||||||||||||
| 177 | 24V AC/24V DC | 0.7 | 0-10V DC/0-20mA | Hardwire | 3/4" | 1/2" | 1/2" | Aluminum | Clockwise, Counterclockwise | 30°-90° | 10 3/8" | 4" | 3 1/4" | 0000000 | 0000000 |
Incremental HVAC Damper Actuators

When duct airflow varies from the setpoint, these actuators open and close until the system requirement is restored. Use to automatically adjust dampers to regulate airflow. Actuators attach to the damper shaft to rotate it open and closed when signaled by a controller (not included).
Actuator with spring return can be set to return the damper to an open or closed position if the power fails. Use the crank for precise adjustments.
For Max. Damper Shaft | Overall | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Torque, in.-lbs. | Voltage | Current, A | Electrical Connection Type | Dia. | Ht. | Wd. | Material | Direction of Operation | Rotation Range | Ht. | Wd. | Dp. | Each | |
With Spring Return | ||||||||||||||
| 177 | 24V AC/24V DC | 0.7 | Hardwire | 3/4" | 1/2" | 1/2" | Aluminum | Clockwise, Counterclockwise | 30°-90° | 10 3/8" | 4" | 3 1/4" | 0000000 | 0000000 |
































